diff --git a/src/corelib/serialization/qjsondocument.cpp b/src/corelib/serialization/qjsondocument.cpp
index ab27b45fda7..e24dc43b1d6 100644
--- a/src/corelib/serialization/qjsondocument.cpp
+++ b/src/corelib/serialization/qjsondocument.cpp
@@ -344,6 +344,7 @@ QByteArray QJsonDocument::toJson() const
 
 /*!
     \enum QJsonDocument::JsonFormat
+    \since 5.1
 
     This value defines the format of the JSON byte array produced
     when converting to a QJsonDocument using toJson().
diff --git a/src/corelib/serialization/qjsonvalue.cpp b/src/corelib/serialization/qjsonvalue.cpp
index b8051d62280..aa44305fce5 100644
--- a/src/corelib/serialization/qjsonvalue.cpp
+++ b/src/corelib/serialization/qjsonvalue.cpp
@@ -558,6 +558,7 @@ bool QJsonValue::toBool(bool defaultValue) const
 }
 
 /*!
+    \since 5.2
     Converts the value to an int and returns it.
 
     If type() is not Double or the value is not a whole number,